National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Light Snow Fog/Mist

32°F

0°C

Humidity 96%
Wind Speed N 8 mph
Barometer 29.84 in (1010.1 mb)
Dewpoint 31°F (-1°C)
Visibility 1.00 mi
Wind Chill25°F (-4°C)
Last update 18 Jan 3:53 pm EST
Extended Forecast for

2 Miles SSE White Horse NJ

Winter Weather Advisory January 18, 04:07pm until January 18, 08:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 18, 04:07pm until January 18, 08:00pm

    NOW until 8:00pm Sun

    Winter Weather Advisory

  • This Afternoon

    High: 34 °F

    Snow

  • Tonight

    Tonight: Snow likely, mainly before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 19. West wind 5 to 10 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 19 °F

    Snow Likely
    then Partly
    Cloudy

  • M.L.King Day

    M.L.King Day: Increasing clouds, with a high near 34. West wind 5 to 15 mph.

    High: 34 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 14. West wind 10 to 15 mph.

    Low: 14 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 22. West wind 10 to 15 mph.

    High: 22 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 7.

    Low: 7 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Snow. High near 34. North wind around 5 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow likely, mainly before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 19. West wind 5 to 10 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
M.L.King Day
Increasing clouds, with a high near 34. West wind 5 to 15 mph.
Monday Night
Mostly clear, with a low around 14. West wind 10 to 15 mph.
Tuesday
Sunny, with a high near 22. West wind 10 to 15 mph.
Tuesday Night
Mostly clear, with a low around 7.
Wednesday
Mostly sunny, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
A chance of rain after 1pm. Partly sunny, with a high near 40. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 17.
Friday
Mostly sunny, with a high near 31.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
A chance of snow. Partly sunny, with a high near 30. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 14. Chance of precipitation is 30%.
Sunday
A chance of snow. Partly sunny, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE White Horse NJ
 40.17°N 74.71°W (Elev. 7 ft)
Last Update:
2:31 pm EST Jan 18, 2026
Forecast Valid:
4pm EST Jan 18, 2026-6pm EST Jan 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation